package org.db.comments;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * 
 * <p>Title: NotNull   </p>
 * <p>Description: 不能为空</p>
 * <p>Copyright: Copyright (c) 2012</p>
 * <p>Company: prd</p>
 * <p>Create Date/Time: 2014年8月13日 下午8:57:00<p>
 * @author porridge
 * @version 1.0
 * @url www.prdblog.com
 *
 */
@Target(ElementType.FIELD)   
@Retention(RetentionPolicy.RUNTIME)   
@Documented  
@Inherited 
public @interface  NotNull {
}